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Oscillator and vibrator schematics

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Design and construction of radio frequency oscillators

Design and construction of radio frequency oscillators

http://my.integritynet.com.au/purdic/oscillators.htm

FM Oscillator 88-108MHz

FM Oscillator 88-108MHz

Circuit for a VCO and buffer that operates across the entire FM broadcast band (88-108 MHz). It doesn't require a tapped coil, it tunes very broadly, it's stable, and it has a nice, hot output.

http://www.ee.washington.edu/circuit_archive/circuits/F_ASCII_Schem.html#ASCIISCHEM_010

Gate Deep Oscillator

Gate Deep Oscillator

This is just a variable oscillator based on a bf245 or k 161 fet. By changing the coil it can generate frequency between 0.5 and 300 MHZ. this circuit is useful to test radio circuit such as filter, receiver, transmitter and so on.

http://digilander.libero.it/alfred73/eprojects.htm#Gate Deep Oscillator

Grid Dip Oscillator

Grid Dip Oscillator

It is a Drain Dip Oscillator based upon a Wheatstone bridge circuit; the oscillator being one resistor of the bridge.

http://web.telia.com/~u85920178/use/gdo.htm

Grounded resistor tunes oscillator

Grounded resistor tunes oscillator

To vary the frequency of any sine-wave oscillator, you usually have to use a pair of ganged variable resistors, and you should thoroughly match their characteristics over the entire variation range to satisfy the oscillators balancing conditions. This res

http://www.edn.com/article/CA300030.html

Hartley Oscillators

Hartley Oscillators

A tutorial with circuit diagrams.

http://www.electronics-tutorials.com/oscillators/hartley-oscillator.htm

High power oscillator

High power oscillator

This circuit makes 1W output from a 2SK513 is power-Moss-FET

http://www.intio.or.jp/jf10zl/hpo.htm

Multivibrators, relaxation oscillators and their allies

Multivibrators, relaxation oscillators and their allies

astable multivibrator, asymetrical multivibrator, complementary multivibrator, series multivibrator, emitter coupled multivibrator and more

http://www.4qdtec.com/mvibs.html

Negatrons enrich filter, oscillator designs

Negatrons enrich filter, oscillator designs

high-performance op amps allows you to incorporate negatrons (synthesized negative resistors) into your oscillators and filters.

http://www.edn.com/archives/1994/072194/15di1.htm

Pierce Oscillator Design

Pierce Oscillator Design

http://pr.erau.edu/~lyallj/ee412/pierce_exp.html


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